8221698: Remove redundant includes from popular header files Summary: Removed histogram.hpp classLoader.hpp utf8.hpp moduleEntry.hpp packageEntry.hpp Reviewed-by: coleenp, stuefe

8221257: Improve serial number generation mechanism for keytool -gencert Reviewed-by: xuelei, mullan

8221596: test/hotspot/jtreg/runtime/containers/docker/TestCPUSets.java failed with FileAlreadyExistsException Summary: Using StandardCopyOption.REPLACE_EXISTING to copy whitebox.jar Reviewed-by: dholmes, mseledtsov Contributed-by: jiefu <fujie@loongson.cn>

8221629: Shenandoah: Cleanup class unloading logic Reviewed-by: rkennke

8221643: Tighten up assert(_keep_alive >= 0) in CLD::inc_keep_alive Reviewed-by: coleenp

8220254: fix headings in java.xml Reviewed-by: lancea

8221480: jcmd VM.metaspace shall print limits in basic mode Reviewed-by: adinn, rehn

8221351: Crash in KlassFactory::check_shared_class_file_load_hook Reviewed-by: dholmes, ccheung

8221118: Avoid eagerly creating JCDiagnostic for CompletionFailures Reviewed-by: jjg, mcimadamore, forax

8221435: Shenandoah should not mark through weak roots Reviewed-by: rkennke, shade

8221687: Deprecated j.u.jar.Attributes.Name attributes accidentally set to null Reviewed-by: alanb

8221688: Quarantine Shenandoah string dedup tests Reviewed-by: rkennke

8221408: Windows 32bit build build errors/warnings in hotspot Reviewed-by: kbarrett, dholmes

8221621: FindTests.gmk cannot handle "=" in TEST.groups comments Reviewed-by: erikj, dholmes

8220016: Clean up redundant RSA services in the SunJSSE provider Summary: Removed duplicated RSA signature/KF/KPG support in SunJSSE Reviewed-by: xuelei

8220632: Suggest recompiling with a larger value of -Xmaxerrs/-Xmaxwarns if diagnostics were suppressed Reviewed-by: jjg